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Kevin Bentley
293
misc/error.cpp
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293
misc/error.cpp
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/*
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* $Logfile: /DescentIII/Main/misc/error.cpp $
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* $Revision: 26 $
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* $Date: 10/09/01 5:40p $
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* $Author: Matt $
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*
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* Error-handling functions
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*
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* $Log: /DescentIII/Main/misc/error.cpp $
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*
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* 26 10/09/01 5:40p Matt
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* Made -nocrashbox work in release build.
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*
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* 25 9/15/01 1:46p Kevin
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* Added -nocrashbox to suppress crash dialog box
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*
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* 24 4/19/00 5:23p Matt
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* From Duane for 1.4
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* Changed to Mac error exit message
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*
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* 23 5/05/99 5:22p Samir
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* exit(0) instead of exit(1) and other stuff to see why error isn't
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* exiting in release?
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*
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* 22 4/14/99 1:35a Jeff
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* fixed case mismatched #includes
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*
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* 21 4/01/99 4:50p Matt
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* Took out Warning() function, chaning those calls to mprintf()
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*
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* 20 3/02/99 5:50p Kevin
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* Ouch. Duplicate structures existed and were conflicting.
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*
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* 19 2/15/99 1:22p Kevin
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* Changes for GameGauge
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*
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* 18 1/10/99 6:47a Jeff
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* Changes made to get linux version to compile
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*
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* 17 11/01/98 1:58a Jeff
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* converted the vsprintf calls to use the Pvsprintf, which is a safe
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* vsprintf, no buffer overflows allowed
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*
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* 16 10/18/98 8:52p Matt
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* Revamped debug/error system.
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*
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <stdarg.h>
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#include <string.h>
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#include "mono.h"
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#include "pserror.h"
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#include "pstring.h"
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#include "debug.h"
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#include "application.h"
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#define MAX_MSG_LEN 2000
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void Default_dbgbrk_callback();
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// Debug break chain handlers
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void (*DebugBreak_callback_stop)() = NULL;
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void (*DebugBreak_callback_resume)() = NULL;
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// library initialized flag
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static bool Error_initialized = false;
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// message that is printed out when error occurs
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static char Exit_message[MAX_MSG_LEN];
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static char App_title[32];
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static char Exit_title_str[64];
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// error message output function
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void error_Spew();
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//////////////////////////////////////////////////////////////////////////////
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// initializes error handler.
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bool error_Init(bool debugger, bool mono_debug, const char *app_title)
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{
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Debug_Init(debugger, mono_debug);
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Error_initialized = true;
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Exit_message[0] = 0;
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strncpy(App_title, app_title, sizeof(App_title)-1);
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App_title[sizeof(App_title)-1] = 0;
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strncpy(Exit_title_str, app_title, sizeof(Exit_title_str)-1);
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Exit_title_str[sizeof(Exit_title_str)-1] = 0;
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atexit(error_Spew);
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return true;
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}
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extern int no_debug_dialog;
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// exits the application and prints out a standard error message
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void Error(char *fmt,...)
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{
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va_list arglist;
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int exit_msg_len;
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#ifdef MACINTOSH
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strcpy(Exit_message,"");
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#else
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strcpy(Exit_message,"Error: ");
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#endif
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va_start(arglist,fmt);
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exit_msg_len = strlen(Exit_message);
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Pvsprintf(Exit_message+exit_msg_len,MAX_MSG_LEN-exit_msg_len,fmt,arglist);
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va_end(arglist);
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#ifdef MACINTOSH
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Debug_ErrorBox(OSMBOX_OK, "Fatal Error", Exit_message, "");
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#else
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sprintf(Exit_title_str,"%s Error",App_title);
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#endif
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mprintf ((0,"%s\n",Exit_message));
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#ifdef _DEBUG
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int answer;
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if (DebugBreak_callback_stop)
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(*DebugBreak_callback_stop)();
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if (Debug_break)
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answer = Debug_ErrorBox(OSMBOX_ABORTRETRYIGNORE,Exit_title_str,Exit_message,"Press RETRY to debug.");
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else if(!no_debug_dialog)
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answer = Debug_ErrorBox(OSMBOX_OKCANCEL,Exit_title_str,Exit_message,"Press OK to exit, CANCEL to ignore this error and continue.");
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if(no_debug_dialog)
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answer = IDOK;
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switch (answer) {
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case IDRETRY:
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debug_break(); //Step Out of this function to see where Error() was called
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//fall into ignore/cancel case
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case IDIGNORE:
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case IDCANCEL:
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if (DebugBreak_callback_resume)
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(*DebugBreak_callback_resume)();
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return;
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case IDOK:
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case IDABORT:
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break; //do nothing, and exit below
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}
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//Clear the message, since we don't need to see it again when we exit
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Exit_message[0] = 0;
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#else
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if (!Error_initialized)
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error_Spew();
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#endif
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//Clear the DEBUG_BREAK() callbacks
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SetDebugBreakHandlers(NULL,NULL);
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//Leave the program
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exit(0);
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}
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//Brings up an error message for an int3
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void Int3MessageBox(char *file,int line)
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{
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#ifndef RELEASE
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char title[128],message[500];
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int answer;
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sprintf(title,"%s Debug Break",App_title);
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sprintf(message,"Int3 in %s at line %d.",file,line);
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if (DebugBreak_callback_stop)
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(*DebugBreak_callback_stop)();
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answer = Debug_ErrorBox(OSMBOX_YESNO,title,message,"It's probably safe to continue. Continue?");
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if (answer == IDNO) {
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SetDebugBreakHandlers(NULL,NULL);
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exit(1);
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}
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if (DebugBreak_callback_resume)
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(*DebugBreak_callback_resume)();
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#endif
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}
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// prints out an assertion error
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void AssertionFailed(char *expstr, char *file, int line)
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{
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#ifndef RELEASE
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char title[128],message[500];
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int answer;
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sprintf(title,"%s Assertion Failed",App_title);
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sprintf(message, "Assertion failed: (%s)\n\nFile %s at line %d.", expstr, file, line);
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if (DebugBreak_callback_stop)
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(*DebugBreak_callback_stop)();
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answer = Debug_ErrorBox(OSMBOX_YESNO,title,message,"Continue?");
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if (answer == IDNO) {
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SetDebugBreakHandlers(NULL,NULL);
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exit(1);
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}
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if (DebugBreak_callback_resume)
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(*DebugBreak_callback_resume)();
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#endif //#ifndef RELEASE
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}
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// error message output function
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void error_Spew()
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{
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if (Exit_message[0] && !no_debug_dialog)
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Debug_MessageBox(OSMBOX_OK,Exit_title_str,Exit_message);
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}
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//////////////////////////////////////////////////////////////////////////////
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// MESSAGE BOX SYSTEM
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char Messagebox_title[80]="Message";
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// Sets the title for future OutrageMessageBox() dialogs
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void SetMessageBoxTitle(char *title)
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{
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strncpy(Messagebox_title,title,sizeof(Messagebox_title));
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}
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#define BUF_LEN 1024
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// Pops up a dialog box to display a message
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void OutrageMessageBox(char *str, ...)
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{
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char buf[BUF_LEN];
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va_list arglist;
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int nchars;
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va_start(arglist, str);
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nchars = Pvsprintf(buf, BUF_LEN,str, arglist);
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va_end(arglist);
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if (nchars >= BUF_LEN)
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Debug_MessageBox(OSMBOX_OK, Messagebox_title, "The dialog that follows this one overflowed its text buffer. The program may crash.");
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Debug_MessageBox(OSMBOX_OK, Messagebox_title, buf);
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}
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int OutrageMessageBox(int type, char *str, ...)
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{
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char buf[BUF_LEN];
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va_list arglist;
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int os_flags;
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int nchars;
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va_start(arglist, str);
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nchars = Pvsprintf(buf, BUF_LEN,str, arglist);
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va_end(arglist);
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if (type == MBOX_OK)
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os_flags = OSMBOX_OK;
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else if (type == MBOX_YESNO)
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os_flags = OSMBOX_YESNO;
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else if (type == MBOX_YESNOCANCEL)
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os_flags = OSMBOX_YESNOCANCEL;
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else if (type == MBOX_ABORTRETRYIGNORE)
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os_flags = OSMBOX_ABORTRETRYIGNORE;
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else
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Int3();
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if (nchars >= BUF_LEN)
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Debug_MessageBox(OSMBOX_OK, Messagebox_title, "The dialog that follows this one overflowed its text buffer. The program may crash.");
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return Debug_MessageBox(os_flags, Messagebox_title, buf);
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}
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